&quot;Cinderella's Sister&quot; continues reign on Wed-Thur night

Cast of "Cinderella's Sister" from top left to right: Moon Geun-yeong, Cheon Jeong-myeong, Seo Woo and Taecyeon [KBS]
KBS TV series "Cinderella's Sister" once again blew away competition in TV ratings this week, proving to be an unstoppable force on Wednesday and Thursday nights.